+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117374 (2004 XQ147) Classification: Main-belt Asteroid          SPK-ID: 2117374 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1618703162895248 4.8049e-08   a 2.388390255335524 1.0638e-08 au q 2.001780769281543 1.1272e-07 au i 1.835618114197203 5.0754e-06 deg node 276.3627495101299 0.0001845 deg peri 187.7567128998894 0.00018534 deg M 66.57748312689867 1.8195e-05 deg tp 2458751.166154534148 (2019-Sep-24.66615453) 6.7662e-05 TDB period 1348.206332711935 3.69 9.0071e-06 2.466e-08 d yr n .2670214426866362 1.7839e-09 deg/d Q 2.774999741389504 1.2359e-08 au   Orbit Determination Parameters    # obs. used (total)      400      data-arc span      9603 days (26.29 yr)      first obs. used      1994-01-10      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59799      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:12:02   Additional Information  Earth MOID = 1.01867 au   Jupiter MOID = 2.35916 au   T_jup = 3.515  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.6   n/a MPO453644   117374 (2004 XQ147)          Discovered 2004-Dec-13 by CINEOS at Campo Imperatore Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1929-Aug-19 07:25 00:14 Psych 0.0123007206032626 0.0122933585119996 0.0123080896321867 2.35454239231457 2.35454197456488 2425842.808893307 13.508317686124 591.375776578207 51.9336214279121 -51.9979990552742 27912.1146418732 T 17 CATAB v2.0f-lin.ifort 2020-May-20 20:12:12 2020-May-20 20:12 2014-Jul-13 09:45 00:02 Psych 0.0124075650854487 0.0124050538162441 0.0124100763578818 2.46584373758658 2.46584334212793 2456851.906562936 2.26996964155073 125.453671807647 59.4297874185868 -5.90809793245031 15027.5438168791 T 17 CATAB v2.0f-lin.ifort 2020-May-20 20:12:12 2020-May-20 20:12 2099-Jul-15 08:52 00:14 Psych 0.0149369878266423 0.0149270606878173 0.0149469175670415 2.38708396025485 2.38708362092469 2487899.869212506 14.0209306271603 583.955125600865 52.6449524456437 32.4130797856892 22919.9916762463 T 17 CATAB v2.0f-lin.ifort 2020-May-20 20:12:12 2020-May-20 20:12 2184-Jul-08 23:56 00:28 Psych 0.0363017387281189 0.0362832839958794 0.0363201986605413 2.26802837804064 2.26802823108804 2518939.497342538 27.9568891974105 1144.28159401097 46.9185007651981 36.7272057476625 69127.0899307466 T 17 CATAB v2.0f-lin.ifort 2020-May-20 20:12:12 2020-May-20 20:12 Alternate Designations  2004 XQ147 = 1998 FK10 = 2002 JE142  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-23 09:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin